742726349 has 2 divisors, whose sum is σ = 742726350. Its totient is φ = 742726348.

The previous prime is 742726343. The next prime is 742726363. The reversal of 742726349 is 943627247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685497124 + 57229225 = 26182^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 742726349 - 2⁴ = 742726333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742726343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371363174 + 371363175.

It is an arithmetic number, because the mean of its divisors is an integer number (371363175).

Almost surely, 2^742726349 is an apocalyptic number.

It is an amenable number.

742726349 is a deficient number, since it is larger than the sum of its proper divisors (1).

742726349 is an equidigital number, since it uses as much as digits as its factorization.

742726349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 742726349 is about 27253.0062378447. The cubic root of 742726349 is about 905.6136163948.

The spelling of 742726349 in words is "seven hundred forty-two million, seven hundred twenty-six thousand, three hundred forty-nine".